Home / 18,018.88-27,042.24-9,261.44

Finding the Fourth Proportional to 18,018.88, 27,042.24 and 9,261.44

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Solution

The fourth proportional to 18,018.88, 27,042.24 and 9,261.44 is: 13,899.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,018.88 : 27,042.24 = 9,261.44 : x
  2. Step 2: Convert to fraction form
    18,018.88/27,042.24 = 9,261.44/x
  3. Step 3: Cross multiply
    18,018.88x = 27,042.24 × 9,261.44
  4. Step 4: Simplify right side
    18,018.88x = 250,450,083.23
  5. Step 5: Solve for x
    x = 250,450,083.23/18,018.88
  6. Step 6: Final answer
    x = 13,899.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.